diff --git a/libraries/effect/src/main/java/androidx/media3/effect/DefaultShaderProgram.java b/libraries/effect/src/main/java/androidx/media3/effect/DefaultShaderProgram.java
index 53b0c4235a..56200e80a2 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/DefaultShaderProgram.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/DefaultShaderProgram.java
@@ -537,6 +537,8 @@ import java.util.List;
       return;
     }
 
+    GlUtil.setToIdentity(compositeRgbMatrixArray);
+
     for (int i = 0; i < rgbMatrices.size(); i++) {
       Matrix.multiplyMM(
           /* result= */ tempResultMatrix,